<!--  -->

.grecaptcha-badge { 
    visibility: hidden;
}

grecaptcha.ready(function() {
    grecaptcha.execute('ma_cle_secrete', { action: 'submit' }).then(function(token) {
        var recaptchaResponse = document.getElementById('recaptchaResponse');
        recaptchaResponse.value = token;
    });
});

if ($_SERVER['REQUEST_METHOD'] === 'POST') {

    if (!isset($_POST['g-recaptcha-response'])) {
        die('reCAPTCHA manquant');
    }

    $recaptcha_secret = 'VOTRE_CLE_SECRETE';
    $recaptcha_response = $_POST['g-recaptcha-response'];

    $data = [
        'secret'   => $recaptcha_secret,
        'response' => $recaptcha_response,
        'remoteip' => $_SERVER['REMOTE_ADDR']
    ];

    $options = [
        'http' => [
            'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
            'method'  => 'POST',
            'content' => http_build_query($data),
            'timeout' => 5
        ]
    ];

    $context  = stream_context_create($options);
    $response = file_get_contents('https://www.google.com/recaptcha/api/siteverify', false, $context);

    if ($response === false) {
        die('Erreur lors de la vérification reCAPTCHA');
    }

    $result = json_decode($response, true);

    if (empty($result['success'])) {
        echo "reCAPTCHA verification failed.";
    } else {
        echo "reCAPTCHA verification successful.";
    }
}